Optics 101

Frontpage of blog #4, get to know Bak4 & bk7

Get to know - #4 Bak4 & Bk7

Mostly, we get the experience from others, Bak4 is better than Bk7. Is this real? Let's continue to get to know prisms. This time we will talk about Bak4 & Bk7. Well,...

Get to know - #4 Bak4 & Bk7

Mostly, we get the experience from others, Bak4 is better than Bk7. Is this real? Let's continue to get to know prisms. This time we will talk about Bak4 & Bk7. Well,...

Get to know - #3 Objective Lens

Get to know - #3 Objective Lens

The most important part of the binoculars is the objective lens. Diameter of the objective lens   This property is directly reflected in the parameter, e.g., 8*21,10x50, 21 & 50...

Get to know - #3 Objective Lens

The most important part of the binoculars is the objective lens. Diameter of the objective lens   This property is directly reflected in the parameter, e.g., 8*21,10x50, 21 & 50...

optics101| main parameter | meaning of 10x50

Get to know - #1 10x50

You might want to go out for a wild trip or something. And thinking about what should I prepare for my dreaming vacation. No cities, not so many people. Just...

Get to know - #1 10x50

You might want to go out for a wild trip or something. And thinking about what should I prepare for my dreaming vacation. No cities, not so many people. Just...

Get to know - #2 PORRO & ROOF

Get to know - #2 PORRO & ROOF

You may be considering the type of binocular to choose, one with a modern shape and intuitive construction, another with an objective lens that is powerful enough to give the...

Get to know - #2 PORRO & ROOF

You may be considering the type of binocular to choose, one with a modern shape and intuitive construction, another with an objective lens that is powerful enough to give the...